Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

9α² + 7α + 5 = 0

168K

det| 6 1 ; 2 7 | = 40

446K

3x² + 3x + 6 = 0

e^{i\pi} + 1 = 0

144K

3r² + 2r + 0 = 0

371K

∇²t = 0

12γ² + 2γ + 5 = 0

259K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

86K

7z² + 2z + 0 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

224K

2n² + 4n + 0 = 0

234K

det| 4 2 ; 5 5 | = 10

2H₂ + O₂ → 2H₂O

218K

PV = nRT

354K

2H₂ + O₂ → 2H₂O

∇²z = 0

70K

2H₂ + O₂ → 2H₂O

402K